how to convert .csv to .xlsx with LC without Excel installed?

[Matthias Rebbe | M-R-D]

Hi,

i know there is Zryip´s really excellent Excel Library for Livecode. 
But for some reason i need to convert a .csv file to .xlsx with Livecode on 
a machine where no Excel is installed or will be installed.

Does anyone  have already done this with Livecode and would like to share her/his
solution?

Regards,

Matthias Rebbe